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path: root/drivers/net/ethernet/sfc/tc.h
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Diffstat (limited to 'drivers/net/ethernet/sfc/tc.h')
-rw-r--r--drivers/net/ethernet/sfc/tc.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h
new file mode 100644
index 000000000000..309123c6b386
--- /dev/null
+++ b/drivers/net/ethernet/sfc/tc.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/****************************************************************************
+ * Driver for Solarflare network controllers and boards
+ * Copyright 2019 Solarflare Communications Inc.
+ * Copyright 2020-2022 Xilinx Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef EFX_TC_H
+#define EFX_TC_H
+#include "net_driver.h"
+
+struct efx_tc_action_set {
+ u16 deliver:1;
+ u32 dest_mport;
+ u32 fw_id; /* index of this entry in firmware actions table */
+ struct list_head list;
+};
+
+struct efx_tc_match_fields {
+ /* L1 */
+ u32 ingress_port;
+};
+
+struct efx_tc_match {
+ struct efx_tc_match_fields value;
+ struct efx_tc_match_fields mask;
+};
+
+struct efx_tc_action_set_list {
+ struct list_head list;
+ u32 fw_id;
+};
+
+struct efx_tc_flow_rule {
+ struct efx_tc_match match;
+ struct efx_tc_action_set_list acts;
+ u32 fw_id;
+};
+
+enum efx_tc_rule_prios {
+ EFX_TC_PRIO_DFLT, /* Default switch rule; one of efx_tc_default_rules */
+ EFX_TC_PRIO__NUM
+};
+
+/**
+ * struct efx_tc_state - control plane data for TC offload
+ *
+ * @reps_mport_id: MAE port allocated for representor RX
+ * @reps_filter_uc: VNIC filter for representor unicast RX (promisc)
+ * @reps_filter_mc: VNIC filter for representor multicast RX (allmulti)
+ * @reps_mport_vport_id: vport_id for representor RX filters
+ * @dflt: Match-action rules for default switching; at priority
+ * %EFX_TC_PRIO_DFLT. Named by *ingress* port
+ * @dflt.pf: rule for traffic ingressing from PF (egresses to wire)
+ * @dflt.wire: rule for traffic ingressing from wire (egresses to PF)
+ */
+struct efx_tc_state {
+ u32 reps_mport_id, reps_mport_vport_id;
+ s32 reps_filter_uc, reps_filter_mc;
+ struct {
+ struct efx_tc_flow_rule pf;
+ struct efx_tc_flow_rule wire;
+ } dflt;
+};
+
+struct efx_rep;
+
+int efx_tc_configure_default_rule_rep(struct efx_rep *efv);
+void efx_tc_deconfigure_default_rule(struct efx_nic *efx,
+ struct efx_tc_flow_rule *rule);
+
+int efx_tc_insert_rep_filters(struct efx_nic *efx);
+void efx_tc_remove_rep_filters(struct efx_nic *efx);
+
+int efx_init_tc(struct efx_nic *efx);
+void efx_fini_tc(struct efx_nic *efx);
+
+int efx_init_struct_tc(struct efx_nic *efx);
+void efx_fini_struct_tc(struct efx_nic *efx);
+
+#endif /* EFX_TC_H */